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1/* 2 * 3 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450. 4 * 5 * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> 6 * 7 * Portions Copyright (c) 2001 Matrox Graphics Inc. 8 * 9 * Version: 1.65 2002/08/14 10 * 11 * See matroxfb_base.c for contributors. 12 * 13 */ 14 15#include "matroxfb_base.h" 16#include "matroxfb_misc.h" 17#include "matroxfb_DAC1064.h" 18#include "g450_pll.h" 19#include <linux/matroxfb.h> 20#include <asm/uaccess.h> 21#include <asm/div64.h> 22 23#include "matroxfb_g450.h" 24 25/* Definition of the various controls */ 26struct mctl { 27 struct v4l2_queryctrl desc; 28 size_t control; 29}; 30 31#define BLMIN 0xF3 32#define WLMAX 0x3FF 33 34static const struct mctl g450_controls[] = 35{ { { V4L2_CID_BRIGHTNESS, V4L2_CTRL_TYPE_INTEGER, 36 "brightness", 37 0, WLMAX-BLMIN, 1, 370-BLMIN, 38 0, 39 }, offsetof(struct matrox_fb_info, altout.tvo_params.brightness) }, 40 { { V4L2_CID_CONTRAST, V4L2_CTRL_TYPE_INTEGER, 41 "contrast", 42 0, 1023, 1, 127, 43 0, 44 }, offsetof(struct matrox_fb_info, altout.tvo_params.contrast) }, 45 { { V4L2_CID_SATURATION, V4L2_CTRL_TYPE_INTEGER, 46 "saturation", 47 0, 255, 1, 165, 48 0, 49 }, offsetof(struct matrox_fb_info, altout.tvo_params.saturation) }, 50 { { V4L2_CID_HUE, V4L2_CTRL_TYPE_INTEGER, 51 "hue", 52 0, 255, 1, 0, 53 0, 54 }, offsetof(struct matrox_fb_info, altout.tvo_params.hue) }, 55 { { MATROXFB_CID_TESTOUT, V4L2_CTRL_TYPE_BOOLEAN, 56 "test output", 57 0, 1, 1, 0, 58 0, 59 }, offsetof(struct matrox_fb_info, altout.tvo_params.testout) }, 60}; 61 62#define G450CTRLS ARRAY_SIZE(g450_controls) 63 64/* Return: positive number: id found 65 -EINVAL: id not found, return failure 66 -ENOENT: id not found, create fake disabled control */ 67static int get_ctrl_id(__u32 v4l2_id) { 68 int i; 69 70 for (i = 0; i < G450CTRLS; i++) { 71 if (v4l2_id < g450_controls[i].desc.id) { 72 if (g450_controls[i].desc.id == 0x08000000) { 73 return -EINVAL; 74 } 75 return -ENOENT; 76 } 77 if (v4l2_id == g450_controls[i].desc.id) { 78 return i; 79 } 80 } 81 return -EINVAL; 82} 83 84static inline int* get_ctrl_ptr(WPMINFO unsigned int idx) { 85 return (int*)((char*)MINFO + g450_controls[idx].control); 86} 87 88static void tvo_fill_defaults(WPMINFO2) { 89 unsigned int i; 90 91 for (i = 0; i < G450CTRLS; i++) { 92 *get_ctrl_ptr(PMINFO i) = g450_controls[i].desc.default_value; 93 } 94} 95 96static int cve2_get_reg(WPMINFO int reg) { 97 unsigned long flags; 98 int val; 99 100 matroxfb_DAC_lock_irqsave(flags); 101 matroxfb_DAC_out(PMINFO 0x87, reg); 102 val = matroxfb_DAC_in(PMINFO 0x88); 103 matroxfb_DAC_unlock_irqrestore(flags); 104 return val; 105} 106 107static void cve2_set_reg(WPMINFO int reg, int val) { 108 unsigned long flags; 109 110 matroxfb_DAC_lock_irqsave(flags); 111 matroxfb_DAC_out(PMINFO 0x87, reg); 112 matroxfb_DAC_out(PMINFO 0x88, val); 113 matroxfb_DAC_unlock_irqrestore(flags); 114} 115 116static void cve2_set_reg10(WPMINFO int reg, int val) { 117 unsigned long flags; 118 119 matroxfb_DAC_lock_irqsave(flags); 120 matroxfb_DAC_out(PMINFO 0x87, reg); 121 matroxfb_DAC_out(PMINFO 0x88, val >> 2); 122 matroxfb_DAC_out(PMINFO 0x87, reg + 1); 123 matroxfb_DAC_out(PMINFO 0x88, val & 3); 124 matroxfb_DAC_unlock_irqrestore(flags); 125} 126 127static void g450_compute_bwlevel(CPMINFO int *bl, int *wl) { 128 const int b = ACCESS_FBINFO(altout.tvo_params.brightness) + BLMIN; 129 const int c = ACCESS_FBINFO(altout.tvo_params.contrast); 130 131 *bl = max(b - c, BLMIN); 132 *wl = min(b + c, WLMAX); 133} 134 135static int g450_query_ctrl(void* md, struct v4l2_queryctrl *p) { 136 int i; 137 138 i = get_ctrl_id(p->id); 139 if (i >= 0) { 140 *p = g450_controls[i].desc; 141 return 0; 142 } 143 if (i == -ENOENT) { 144 static const struct v4l2_queryctrl disctrl = 145 { .flags = V4L2_CTRL_FLAG_DISABLED }; 146 147 i = p->id; 148 *p = disctrl; 149 p->id = i; 150 sprintf(p->name, "Ctrl #%08X", i); 151 return 0; 152 } 153 return -EINVAL; 154} 155 156static int g450_set_ctrl(void* md, struct v4l2_control *p) { 157 int i; 158 MINFO_FROM(md); 159 160 i = get_ctrl_id(p->id); 161 if (i < 0) return -EINVAL; 162 163 /* 164 * Check if changed. 165 */ 166 if (p->value == *get_ctrl_ptr(PMINFO i)) return 0; 167 168 /* 169 * Check limits. 170 */ 171 if (p->value > g450_controls[i].desc.maximum) return -EINVAL; 172 if (p->value < g450_controls[i].desc.minimum) return -EINVAL; 173 174 /* 175 * Store new value. 176 */ 177 *get_ctrl_ptr(PMINFO i) = p->value; 178 179 switch (p->id) { 180 case V4L2_CID_BRIGHTNESS: 181 case V4L2_CID_CONTRAST: 182 { 183 int blacklevel, whitelevel; 184 g450_compute_bwlevel(PMINFO &blacklevel, &whitelevel); 185 cve2_set_reg10(PMINFO 0x0e, blacklevel); 186 cve2_set_reg10(PMINFO 0x1e, whitelevel); 187 } 188 break; 189 case V4L2_CID_SATURATION: 190 cve2_set_reg(PMINFO 0x20, p->value); 191 cve2_set_reg(PMINFO 0x22, p->value); 192 break; 193 case V4L2_CID_HUE: 194 cve2_set_reg(PMINFO 0x25, p->value); 195 break; 196 case MATROXFB_CID_TESTOUT: 197 { 198 unsigned char val = cve2_get_reg (PMINFO 0x05); 199 if (p->value) val |= 0x02; 200 else val &= ~0x02; 201 cve2_set_reg(PMINFO 0x05, val); 202 } 203 break; 204 } 205 206 207 return 0; 208} 209 210static int g450_get_ctrl(void* md, struct v4l2_control *p) { 211 int i; 212 MINFO_FROM(md); 213 214 i = get_ctrl_id(p->id); 215 if (i < 0) return -EINVAL; 216 p->value = *get_ctrl_ptr(PMINFO i); 217 return 0; 218} 219 220struct output_desc { 221 unsigned int h_vis; 222 unsigned int h_f_porch; 223 unsigned int h_sync; 224 unsigned int h_b_porch; 225 unsigned long long int chromasc; 226 unsigned int burst; 227 unsigned int v_total; 228}; 229 230static void computeRegs(WPMINFO struct mavenregs* r, struct my_timming* mt, const struct output_desc* outd) { 231 u_int32_t chromasc; 232 u_int32_t hlen; 233 u_int32_t hsl; 234 u_int32_t hbp; 235 u_int32_t hfp; 236 u_int32_t hvis; 237 unsigned int pixclock; 238 unsigned long long piic; 239 int mnp; 240 int over; 241 242 r->regs[0x80] = 0x03; /* | 0x40 for SCART */ 243 244 hvis = ((mt->HDisplay << 1) + 3) & ~3; 245 246 if (hvis >= 2048) { 247 hvis = 2044; 248 } 249 250 piic = 1000000000ULL * hvis; 251 do_div(piic, outd->h_vis); 252 253 dprintk(KERN_DEBUG "Want %u kHz pixclock\n", (unsigned int)piic); 254 255 mnp = matroxfb_g450_setclk(PMINFO piic, M_VIDEO_PLL); 256 257 mt->mnp = mnp; 258 mt->pixclock = g450_mnp2f(PMINFO mnp); 259 260 dprintk(KERN_DEBUG "MNP=%08X\n", mnp); 261 262 pixclock = 1000000000U / mt->pixclock; 263 264 dprintk(KERN_DEBUG "Got %u ps pixclock\n", pixclock); 265 266 piic = outd->chromasc; 267 do_div(piic, mt->pixclock); 268 chromasc = piic; 269 270 dprintk(KERN_DEBUG "Chroma is %08X\n", chromasc); 271 272 r->regs[0] = piic >> 24; 273 r->regs[1] = piic >> 16; 274 r->regs[2] = piic >> 8; 275 r->regs[3] = piic >> 0; 276 hbp = (((outd->h_b_porch + pixclock) / pixclock)) & ~1; 277 hfp = (((outd->h_f_porch + pixclock) / pixclock)) & ~1; 278 hsl = (((outd->h_sync + pixclock) / pixclock)) & ~1; 279 hlen = hvis + hfp + hsl + hbp; 280 over = hlen & 0x0F; 281 282 dprintk(KERN_DEBUG "WL: vis=%u, hf=%u, hs=%u, hb=%u, total=%u\n", hvis, hfp, hsl, hbp, hlen); 283 284 if (over) { 285 hfp -= over; 286 hlen -= over; 287 if (over <= 2) { 288 } else if (over < 10) { 289 hfp += 4; 290 hlen += 4; 291 } else { 292 hfp += 16; 293 hlen += 16; 294 } 295 } 296 297 /* maybe cve2 has requirement 800 < hlen < 1184 */ 298 r->regs[0x08] = hsl; 299 r->regs[0x09] = (outd->burst + pixclock - 1) / pixclock; /* burst length */ 300 r->regs[0x0A] = hbp; 301 r->regs[0x2C] = hfp; 302 r->regs[0x31] = hvis / 8; 303 r->regs[0x32] = hvis & 7; 304 305 dprintk(KERN_DEBUG "PG: vis=%04X, hf=%02X, hs=%02X, hb=%02X, total=%04X\n", hvis, hfp, hsl, hbp, hlen); 306 307 r->regs[0x84] = 1; /* x sync point */ 308 r->regs[0x85] = 0; 309 hvis = hvis >> 1; 310 hlen = hlen >> 1; 311 312 dprintk(KERN_DEBUG "hlen=%u hvis=%u\n", hlen, hvis); 313 314 mt->interlaced = 1; 315 316 mt->HDisplay = hvis & ~7; 317 mt->HSyncStart = mt->HDisplay + 8; 318 mt->HSyncEnd = (hlen & ~7) - 8; 319 mt->HTotal = hlen; 320 321 { 322 int upper; 323 unsigned int vtotal; 324 unsigned int vsyncend; 325 unsigned int vdisplay; 326 327 vtotal = mt->VTotal; 328 vsyncend = mt->VSyncEnd; 329 vdisplay = mt->VDisplay; 330 if (vtotal < outd->v_total) { 331 unsigned int yovr = outd->v_total - vtotal; 332 333 vsyncend += yovr >> 1; 334 } else if (vtotal > outd->v_total) { 335 vdisplay = outd->v_total - 4; 336 vsyncend = outd->v_total; 337 } 338 upper = (outd->v_total - vsyncend) >> 1; /* in field lines */ 339 r->regs[0x17] = outd->v_total / 4; 340 r->regs[0x18] = outd->v_total & 3; 341 r->regs[0x33] = upper - 1; /* upper blanking */ 342 r->regs[0x82] = upper; /* y sync point */ 343 r->regs[0x83] = upper >> 8; 344 345 mt->VDisplay = vdisplay; 346 mt->VSyncStart = outd->v_total - 2; 347 mt->VSyncEnd = outd->v_total; 348 mt->VTotal = outd->v_total; 349 } 350} 351 352static void cve2_init_TVdata(int norm, struct mavenregs* data, const struct output_desc** outd) { 353 static const struct output_desc paloutd = { 354 .h_vis = 52148148, // ps 355 .h_f_porch = 1407407, // ps 356 .h_sync = 4666667, // ps 357 .h_b_porch = 5777778, // ps 358 .chromasc = 19042247534182ULL, // 4433618.750 Hz 359 .burst = 2518518, // ps 360 .v_total = 625, 361 }; 362 static const struct output_desc ntscoutd = { 363 .h_vis = 52888889, // ps 364 .h_f_porch = 1333333, // ps 365 .h_sync = 4666667, // ps 366 .h_b_porch = 4666667, // ps 367 .chromasc = 15374030659475ULL, // 3579545.454 Hz 368 .burst = 2418418, // ps 369 .v_total = 525, // lines 370 }; 371 372 static const struct mavenregs palregs = { { 373 0x2A, 0x09, 0x8A, 0xCB, /* 00: chroma subcarrier */ 374 0x00, 375 0x00, /* test */ 376 0xF9, /* modified by code (F9 written...) */ 377 0x00, /* ? not written */ 378 0x7E, /* 08 */ 379 0x44, /* 09 */ 380 0x9C, /* 0A */ 381 0x2E, /* 0B */ 382 0x21, /* 0C */ 383 0x00, /* ? not written */ 384// 0x3F, 0x03, /* 0E-0F */ 385 0x3C, 0x03, 386 0x3C, 0x03, /* 10-11 */ 387 0x1A, /* 12 */ 388 0x2A, /* 13 */ 389 0x1C, 0x3D, 0x14, /* 14-16 */ 390 0x9C, 0x01, /* 17-18 */ 391 0x00, /* 19 */ 392 0xFE, /* 1A */ 393 0x7E, /* 1B */ 394 0x60, /* 1C */ 395 0x05, /* 1D */ 396// 0x89, 0x03, /* 1E-1F */ 397 0xAD, 0x03, 398// 0x72, /* 20 */ 399 0xA5, 400 0x07, /* 21 */ 401// 0x72, /* 22 */ 402 0xA5, 403 0x00, /* 23 */ 404 0x00, /* 24 */ 405 0x00, /* 25 */ 406 0x08, /* 26 */ 407 0x04, /* 27 */ 408 0x00, /* 28 */ 409 0x1A, /* 29 */ 410 0x55, 0x01, /* 2A-2B */ 411 0x26, /* 2C */ 412 0x07, 0x7E, /* 2D-2E */ 413 0x02, 0x54, /* 2F-30 */ 414 0xB0, 0x00, /* 31-32 */ 415 0x14, /* 33 */ 416 0x49, /* 34 */ 417 0x00, /* 35 written multiple times */ 418 0x00, /* 36 not written */ 419 0xA3, /* 37 */ 420 0xC8, /* 38 */ 421 0x22, /* 39 */ 422 0x02, /* 3A */ 423 0x22, /* 3B */ 424 0x3F, 0x03, /* 3C-3D */ 425 0x00, /* 3E written multiple times */ 426 0x00, /* 3F not written */ 427 } }; 428 static struct mavenregs ntscregs = { { 429 0x21, 0xF0, 0x7C, 0x1F, /* 00: chroma subcarrier */ 430 0x00, 431 0x00, /* test */ 432 0xF9, /* modified by code (F9 written...) */ 433 0x00, /* ? not written */ 434 0x7E, /* 08 */ 435 0x43, /* 09 */ 436 0x7E, /* 0A */ 437 0x3D, /* 0B */ 438 0x00, /* 0C */ 439 0x00, /* ? not written */ 440 0x41, 0x00, /* 0E-0F */ 441 0x3C, 0x00, /* 10-11 */ 442 0x17, /* 12 */ 443 0x21, /* 13 */ 444 0x1B, 0x1B, 0x24, /* 14-16 */ 445 0x83, 0x01, /* 17-18 */ 446 0x00, /* 19 */ 447 0x0F, /* 1A */ 448 0x0F, /* 1B */ 449 0x60, /* 1C */ 450 0x05, /* 1D */ 451 //0x89, 0x02, /* 1E-1F */ 452 0xC0, 0x02, /* 1E-1F */ 453 //0x5F, /* 20 */ 454 0x9C, /* 20 */ 455 0x04, /* 21 */ 456 //0x5F, /* 22 */ 457 0x9C, /* 22 */ 458 0x01, /* 23 */ 459 0x02, /* 24 */ 460 0x00, /* 25 */ 461 0x0A, /* 26 */ 462 0x05, /* 27 */ 463 0x00, /* 28 */ 464 0x10, /* 29 */ 465 0xFF, 0x03, /* 2A-2B */ 466 0x24, /* 2C */ 467 0x0F, 0x78, /* 2D-2E */ 468 0x00, 0x00, /* 2F-30 */ 469 0xB2, 0x04, /* 31-32 */ 470 0x14, /* 33 */ 471 0x02, /* 34 */ 472 0x00, /* 35 written multiple times */ 473 0x00, /* 36 not written */ 474 0xA3, /* 37 */ 475 0xC8, /* 38 */ 476 0x15, /* 39 */ 477 0x05, /* 3A */ 478 0x3B, /* 3B */ 479 0x3C, 0x00, /* 3C-3D */ 480 0x00, /* 3E written multiple times */ 481 0x00, /* never written */ 482 } }; 483 484 if (norm == MATROXFB_OUTPUT_MODE_PAL) { 485 *data = palregs; 486 *outd = &paloutd; 487 } else { 488 *data = ntscregs; 489 *outd = &ntscoutd; 490 } 491 return; 492} 493 494#define LR(x) cve2_set_reg(PMINFO (x), m->regs[(x)]) 495static void cve2_init_TV(WPMINFO const struct mavenregs* m) { 496 int i; 497 498 LR(0x80); 499 LR(0x82); LR(0x83); 500 LR(0x84); LR(0x85); 501 502 cve2_set_reg(PMINFO 0x3E, 0x01); 503 504 for (i = 0; i < 0x3E; i++) { 505 LR(i); 506 } 507 cve2_set_reg(PMINFO 0x3E, 0x00); 508} 509 510static int matroxfb_g450_compute(void* md, struct my_timming* mt) { 511 MINFO_FROM(md); 512 513 dprintk(KERN_DEBUG "Computing, mode=%u\n", ACCESS_FBINFO(outputs[1]).mode); 514 515 if (mt->crtc == MATROXFB_SRC_CRTC2 && 516 ACCESS_FBINFO(outputs[1]).mode != MATROXFB_OUTPUT_MODE_MONITOR) { 517 const struct output_desc* outd; 518 519 cve2_init_TVdata(ACCESS_FBINFO(outputs[1]).mode, &ACCESS_FBINFO(hw).maven, &outd); 520 { 521 int blacklevel, whitelevel; 522 g450_compute_bwlevel(PMINFO &blacklevel, &whitelevel); 523 ACCESS_FBINFO(hw).maven.regs[0x0E] = blacklevel >> 2; 524 ACCESS_FBINFO(hw).maven.regs[0x0F] = blacklevel & 3; 525 ACCESS_FBINFO(hw).maven.regs[0x1E] = whitelevel >> 2; 526 ACCESS_FBINFO(hw).maven.regs[0x1F] = whitelevel & 3; 527 528 ACCESS_FBINFO(hw).maven.regs[0x20] = 529 ACCESS_FBINFO(hw).maven.regs[0x22] = ACCESS_FBINFO(altout.tvo_params.saturation); 530 531 ACCESS_FBINFO(hw).maven.regs[0x25] = ACCESS_FBINFO(altout.tvo_params.hue); 532 533 if (ACCESS_FBINFO(altout.tvo_params.testout)) { 534 ACCESS_FBINFO(hw).maven.regs[0x05] |= 0x02; 535 } 536 } 537 computeRegs(PMINFO &ACCESS_FBINFO(hw).maven, mt, outd); 538 } else if (mt->mnp < 0) { 539 /* We must program clocks before CRTC2, otherwise interlaced mode 540 startup may fail */ 541 mt->mnp = matroxfb_g450_setclk(PMINFO mt->pixclock, (mt->crtc == MATROXFB_SRC_CRTC1) ? M_PIXEL_PLL_C : M_VIDEO_PLL); 542 mt->pixclock = g450_mnp2f(PMINFO mt->mnp); 543 } 544 dprintk(KERN_DEBUG "Pixclock = %u\n", mt->pixclock); 545 return 0; 546} 547 548static int matroxfb_g450_program(void* md) { 549 MINFO_FROM(md); 550 551 if (ACCESS_FBINFO(outputs[1]).mode != MATROXFB_OUTPUT_MODE_MONITOR) { 552 cve2_init_TV(PMINFO &ACCESS_FBINFO(hw).maven); 553 } 554 return 0; 555} 556 557static int matroxfb_g450_verify_mode(void* md, u_int32_t arg) { 558 switch (arg) { 559 case MATROXFB_OUTPUT_MODE_PAL: 560 case MATROXFB_OUTPUT_MODE_NTSC: 561 case MATROXFB_OUTPUT_MODE_MONITOR: 562 return 0; 563 } 564 return -EINVAL; 565} 566 567static int g450_dvi_compute(void* md, struct my_timming* mt) { 568 MINFO_FROM(md); 569 570 if (mt->mnp < 0) { 571 mt->mnp = matroxfb_g450_setclk(PMINFO mt->pixclock, (mt->crtc == MATROXFB_SRC_CRTC1) ? M_PIXEL_PLL_C : M_VIDEO_PLL); 572 mt->pixclock = g450_mnp2f(PMINFO mt->mnp); 573 } 574 return 0; 575} 576 577static struct matrox_altout matroxfb_g450_altout = { 578 .name = "Secondary output", 579 .compute = matroxfb_g450_compute, 580 .program = matroxfb_g450_program, 581 .verifymode = matroxfb_g450_verify_mode, 582 .getqueryctrl = g450_query_ctrl, 583 .getctrl = g450_get_ctrl, 584 .setctrl = g450_set_ctrl, 585}; 586 587static struct matrox_altout matroxfb_g450_dvi = { 588 .name = "DVI output", 589 .compute = g450_dvi_compute, 590}; 591 592void matroxfb_g450_connect(WPMINFO2) { 593 if (ACCESS_FBINFO(devflags.g450dac)) { 594 down_write(&ACCESS_FBINFO(altout.lock)); 595 tvo_fill_defaults(PMINFO2); 596 ACCESS_FBINFO(outputs[1]).src = ACCESS_FBINFO(outputs[1]).default_src; 597 ACCESS_FBINFO(outputs[1]).data = MINFO; 598 ACCESS_FBINFO(outputs[1]).output = &matroxfb_g450_altout; 599 ACCESS_FBINFO(outputs[1]).mode = MATROXFB_OUTPUT_MODE_MONITOR; 600 ACCESS_FBINFO(outputs[2]).src = ACCESS_FBINFO(outputs[2]).default_src; 601 ACCESS_FBINFO(outputs[2]).data = MINFO; 602 ACCESS_FBINFO(outputs[2]).output = &matroxfb_g450_dvi; 603 ACCESS_FBINFO(outputs[2]).mode = MATROXFB_OUTPUT_MODE_MONITOR; 604 up_write(&ACCESS_FBINFO(altout.lock)); 605 } 606} 607 608void matroxfb_g450_shutdown(WPMINFO2) { 609 if (ACCESS_FBINFO(devflags.g450dac)) { 610 down_write(&ACCESS_FBINFO(altout.lock)); 611 ACCESS_FBINFO(outputs[1]).src = MATROXFB_SRC_NONE; 612 ACCESS_FBINFO(outputs[1]).output = NULL; 613 ACCESS_FBINFO(outputs[1]).data = NULL; 614 ACCESS_FBINFO(outputs[1]).mode = MATROXFB_OUTPUT_MODE_MONITOR; 615 ACCESS_FBINFO(outputs[2]).src = MATROXFB_SRC_NONE; 616 ACCESS_FBINFO(outputs[2]).output = NULL; 617 ACCESS_FBINFO(outputs[2]).data = NULL; 618 ACCESS_FBINFO(outputs[2]).mode = MATROXFB_OUTPUT_MODE_MONITOR; 619 up_write(&ACCESS_FBINFO(altout.lock)); 620 } 621} 622 623EXPORT_SYMBOL(matroxfb_g450_connect); 624EXPORT_SYMBOL(matroxfb_g450_shutdown); 625 626MODULE_AUTHOR("(c) 2000-2002 Petr Vandrovec <vandrove@vc.cvut.cz>"); 627MODULE_DESCRIPTION("Matrox G450/G550 output driver"); 628MODULE_LICENSE("GPL");